INT 62 u - FGDRIVER v4.02 - "FG_KBINIT" - ENABLE/DISABLE LOW-LEVEL KBD HANDLER
	AX = 0066h
	BX = new state (0000h disabled, 0001h enabled)
Notes:	the FGDRIVER functions are rearranged with each major release, but
	  their parameters do not change (see #03474 at AX=0000h)
	When the low-level handler is enabled, "FG_GETKEY", "FG_INTKEY",
	  "FG_WAITKEY", and all other functions calling DOS or BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. keyboard
	  services become unavailable
SeeAlso: AX=0067h,AX=0068h,AX=0069h